Pdk
[医][=primary dog kidney]原代狗肾（细胞）
🗣️ 情景例句
Isn't that right?
对不对？
I'm sorry, I'm late, I got mixed up about your address.
非常抱歉，我迟到了，我把你的地址搞错了。
Many of the cars broke down on the course and some drivers spent more time under their cars than in them!
很多汽车在途中就抛了锚，而有些驾驶员花在汽车底下的时间比坐在汽车里面的时间还长。